Alloy dị alaỊkwado ígwèElektrọd
J707Ni
GB/T E7015-G
AWS E10015-G
Nkọwa: J707Ni bụ elektrọd ígwè dị ike nke nwere obere alloy nwere mkpuchi sodium dị ala. Jiri DCEP (elektrọd ugbu a positive) ma enwere ike ịgbado ya n'ọnọdụ niile. E tinyere ya n'ime ígwè nwere ezigbo ihe eji arụ ọrụ. Ma e jiri ya tụnyere elektrọd J707, isi ihe dị na J707Ni bụ na ike okpomọkụ dị ala na iguzogide mgbawa emeziwanyela nke ukwuu.
Ngwa: A na-eji ya agbakọta ihe owuwu ígwè dị ike nke nwere obere alloy nke nwere ike kwekọrọ na ya, dịka 14MnMoVB, WEL-TEN70 na Japanese HW56 na ihe owuwu ígwè ndị ọzọ nwere obere alloy nke nwere ike siri ike.
Ngwakọta kemịkalụ nke ígwè weld(%):
| C | Si | Mn | Ni | Mo | Cr | S | P |
| ≤0.10 | ≤0.60 | ≥1.00 | 1.80 ~ 2.20 | 0.40 ~ 0.60 | ≤0.20 | ≤0.030 | ≤0.030 |
Njirimara mekaniki nke igwe weld:
|
Ihe nnwale |
Ike ọdụdọ Mpa |
Ike mmeputa Mpa |
Ogologo % |
Uru mmetụta (J) | |
| -40℃ | -50℃ | ||||
|
Ekwere nkwa | ≥690 | ≥590 | ≥15 | — | ≥27 |
|
Anwalela | 760 | 630 | 23 | 140 | — |
Ọdịnaya hydrogen nke ígwè e tinyere n'ime ya: ≤4.0mL/100g (usoro glycerin)
Nnyocha X-ray nke I级: Ọkwa I
Ugbu a akwadoro:
| (mm) Dayameta mkpanaka | 2.5 | 3.2 | 4.0 | 5.0 |
| (A) Ịgbado ọkụ ugbu a | 60 ~ 100 | 100 ~ 140 | 140 ~ 190 | 190 ~ 250 |
Rịba ama:
1. A ga-emerịrị elektrọd ahụ ruo otu awa na 350 ~380℃ tupu a rụọ ọrụ ịgbado ọkụ;
2. Ọ dị mkpa ihicha ihe ndị ruru unyi, mmanụ, mmiri, na ihe ndị na-adịghị mma dị n'akụkụ ịgbado ọkụ tupu ịgbado ọkụ;
3. Jiri ọrụ dị mkpụmkpụ mgbe ị na-agbado ọkụ. Ụzọ ịgbado ọkụ dị warara kwesịrị ekwesị.






